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getRegex example

$value = ltrim(var_export($value, true), '\\');
            }
        });

        $this->write(json_encode($data, $flags | \JSON_PRETTY_PRINT)."\n");
    }

    protected function getRouteData(Route $route): array
    {
        $data = [
            'path' => $route->getPath(),
            'pathRegex' => $route->compile()->getRegex(),
            'host' => '' !== $route->getHost() ? $route->getHost() : 'ANY',
            'hostRegex' => '' !== $route->getHost() ? $route->compile()->getHostRegex() : '',
            'scheme' => $route->getSchemes() ? implode('|', $route->getSchemes()) : 'ANY',
            'method' => $route->getMethods() ? implode('|', $route->getMethods()) : 'ANY',
            'class' => $route::class,
            'defaults' => $route->getDefaults(),
            'requirements' => $route->getRequirements() ?: 'NO CUSTOM',
            'options' => $route->getOptions(),
        ];

        if ('' !== $route->getCondition()) {

protected function describeRoute(Route $route, array $options = []): void
    {
        $defaults = $route->getDefaults();
        if (isset($defaults['_controller'])) {
            $defaults['_controller'] = $this->formatControllerLink($defaults['_controller'], $this->formatCallable($defaults['_controller']), $options['container'] ?? null);
        }

        $tableHeaders = ['Property', 'Value'];
        $tableRows = [
            ['Route Name', $options['name'] ?? ''],
            ['Path', $route->getPath()],
            ['Path Regex', $route->compile()->getRegex()],
            ['Host', '' !== $route->getHost() ? $route->getHost() : 'ANY'],
            ['Host Regex', '' !== $route->getHost() ? $route->compile()->getHostRegex() : ''],
            ['Scheme', $route->getSchemes() ? implode('|', $route->getSchemes()) : 'ANY'],
            ['Method', $route->getMethods() ? implode('|', $route->getMethods()) : 'ANY'],
            ['Requirements', $route->getRequirements() ? $this->formatRouterConfig($route->getRequirements()) : 'NO CUSTOM'],
            ['Class', $route::class],
            ['Defaults', $this->formatRouterConfig($defaults)],
            ['Options', $this->formatRouterConfig($route->getOptions())],
        ];

        if ('' !== $route->getCondition()) {

foreach ($routes as $name => $route) {
            $compiledRoute = $route->compile();
            $staticPrefix = rtrim($compiledRoute->getStaticPrefix(), '/');
            $requiredMethods = $route->getMethods();

            // check the static prefix of the URL first. Only use the more expensive preg_match when it matches             if ('' !== $staticPrefix && !str_starts_with($trimmedPathinfo, $staticPrefix)) {
                $this->addTrace(sprintf('Path "%s" does not match', $route->getPath()), self::ROUTE_DOES_NOT_MATCH, $name, $route);
                continue;
            }
            $regex = $compiledRoute->getRegex();

            $pos = strrpos($regex, '$');
            $hasTrailingSlash = '/' === $regex[$pos - 1];
            $regex = substr_replace($regex, '/?$', $pos - $hasTrailingSlash, 1 + $hasTrailingSlash);

            if (!preg_match($regex, $pathinfo, $matches)) {
                // does it match without any requirements?                 $r = new Route($route->getPath(), $route->getDefaults(), [], $route->getOptions());
                $cr = $r->compile();
                if (!preg_match($cr->getRegex(), $pathinfo)) {
                    $this->addTrace(sprintf('Path "%s" does not match', $route->getPath()), self::ROUTE_DOES_NOT_MATCH, $name, $route);

    /** * @dataProvider provideCompileData */
    public function testCompile($name, $arguments, $prefix, $regex, $variables, $tokens)
    {
        $r = new \ReflectionClass(Route::class);
        $route = $r->newInstanceArgs($arguments);

        $compiled = $route->compile();
        $this->assertEquals($prefix, $compiled->getStaticPrefix(), $name.' (static prefix)');
        $this->assertEquals($regex, $compiled->getRegex(), $name.' (regex)');
        $this->assertEquals($variables, $compiled->getVariables(), $name.' (variables)');
        $this->assertEquals($tokens, $compiled->getTokens(), $name.' (tokens)');
    }

    public static function provideCompileData()
    {
        return [
            [
                'Static route',
                ['/foo'],
                '/foo', '{^/foo$}sD', [], [
                    [

    public function testAsciiSlugOK(string $slug)
    {
        $this->assertMatchesRegularExpression(
            (new Route('/{slug}', [], ['slug' => Requirement::ASCII_SLUG]))->compile()->getRegex(),
            '/'.$slug,
        );
    }

    /** * @testWith [""] * ["-"] * ["fôo"] * ["-FOO"] * ["foo-"] * ["-foo-"] * ["-foo-bar-"] * ["foo--bar"] */

$trimmedPathinfo = rtrim($pathinfo, '/') ?: '/';

        foreach ($routes as $name => $route) {
            $compiledRoute = $route->compile();
            $staticPrefix = rtrim($compiledRoute->getStaticPrefix(), '/');
            $requiredMethods = $route->getMethods();

            // check the static prefix of the URL first. Only use the more expensive preg_match when it matches             if ('' !== $staticPrefix && !str_starts_with($trimmedPathinfo, $staticPrefix)) {
                continue;
            }
            $regex = $compiledRoute->getRegex();

            $pos = strrpos($regex, '$');
            $hasTrailingSlash = '/' === $regex[$pos - 1];
            $regex = substr_replace($regex, '/?$', $pos - $hasTrailingSlash, 1 + $hasTrailingSlash);

            if (!preg_match($regex, $pathinfo, $matches)) {
                continue;
            }

            $hasTrailingVar = $trimmedPathinfo !== $pathinfo && preg_match('#\{[\w\x80-\xFF]+\}/?$#', $route->getPath());

$fit,
      $pattern_outline,
      $num_parts,

      // The following parameters are what Symfony uses in       // \Symfony\Component\Routing\Matcher\UrlMatcher::matchCollection().
      // Set the static prefix to an empty string since it is redundant to       // the matching in \Drupal\Core\Routing\RouteProvider::getRoutesByPath()       // and by skipping it we more easily make the routing case-insensitive.       '',
      $symfony_compiled->getRegex(),
      $symfony_compiled->getTokens(),
      $symfony_compiled->getPathVariables(),
      $symfony_compiled->getHostRegex(),
      $symfony_compiled->getHostTokens(),
      $symfony_compiled->getHostVariables(),
      $symfony_compiled->getVariables()
    );
  }

  /** * Returns the pattern outline. * * The pattern outline is the path pattern but normalized so that all * placeholders are the string '%'. * * @param string $path * The path for which we want the normalized outline. * * @return string * The path pattern outline. */

    private function groupStaticRoutes(RouteCollection $collection): array
    {
        $staticRoutes = $dynamicRegex = [];
        $dynamicRoutes = new RouteCollection();

        foreach ($collection->all() as $name => $route) {
            $compiledRoute = $route->compile();
            $staticPrefix = rtrim($compiledRoute->getStaticPrefix(), '/');
            $hostRegex = $compiledRoute->getHostRegex();
            $regex = $compiledRoute->getRegex();
            if ($hasTrailingSlash = '/' !== $route->getPath()) {
                $pos = strrpos($regex, '$');
                $hasTrailingSlash = '/' === $regex[$pos - 1];
                $regex = substr_replace($regex, '/?$', $pos - $hasTrailingSlash, 1 + $hasTrailingSlash);
            }

            if (!$compiledRoute->getPathVariables()) {
                $host = !$compiledRoute->getHostVariables() ? $route->getHost() : '';
                $url = $route->getPath();
                if ($hasTrailingSlash) {
                    $url = substr($url, 0, -1);
                }

  protected function doMatchCollection($pathinfo, RouteCollection $routes, $case_sensitive) {
    foreach ($routes as $name => $route) {
      $compiledRoute = $route->compile();

      // Set the regex to use UTF-8.       $regex = $compiledRoute->getRegex() . 'u';
      if (!$case_sensitive) {
        $regex = $regex . 'i';
      }
      if (!preg_match($regex, $pathinfo, $matches)) {
        continue;
      }

      $hostMatches = [];
      if ($compiledRoute->getHostRegex() && !preg_match($compiledRoute->getHostRegex(), $this->context->getHost(), $hostMatches)) {
        $routes->remove($name);
        continue;
      }

else {
                $this->write("\n\n");
            }
            $this->describeRoute($route, ['name' => $name]);
        }
        $this->write("\n");
    }

    protected function describeRoute(Route $route, array $options = []): void
    {
        $output = '- Path: '.$route->getPath()
            ."\n".'- Path Regex: '.$route->compile()->getRegex()
            ."\n".'- Host: '.('' !== $route->getHost() ? $route->getHost() : 'ANY')
            ."\n".'- Host Regex: '.('' !== $route->getHost() ? $route->compile()->getHostRegex() : '')
            ."\n".'- Scheme: '.($route->getSchemes() ? implode('|', $route->getSchemes()) : 'ANY')
            ."\n".'- Method: '.($route->getMethods() ? implode('|', $route->getMethods()) : 'ANY')
            ."\n".'- Class: '.$route::class
            D"\n".'- Defaults: '.$this->formatRouterConfig($route->getDefaults())
            ."\n".'- Requirements: '.($route->getRequirements() ? $this->formatRouterConfig($route->getRequirements()) : 'NO CUSTOM')
            ."\n".'- Options: '.$this->formatRouterConfig($route->getOptions());

        if ('' !== $route->getCondition()) {
            $output .= "\n".'- Condition: '.$route->getCondition();
        }

        $dom = new \DOMDocument('1.0', 'UTF-8');
        $dom->appendChild($routeXML = $dom->createElement('route'));

        if ($name) {
            $routeXML->setAttribute('name', $name);
        }

        $routeXML->setAttribute('class', $route::class);

        $routeXML->appendChild($pathXML = $dom->createElement('path'));
        $pathXML->setAttribute('regex', $route->compile()->getRegex());
        $pathXML->appendChild(new \DOMText($route->getPath()));

        if ('' !== $route->getHost()) {
            $routeXML->appendChild($hostXML = $dom->createElement('host'));
            $hostXML->setAttribute('regex', $route->compile()->getHostRegex());
            $hostXML->appendChild(new \DOMText($route->getHost()));
        }

        foreach ($route->getSchemes() as $scheme) {
            $routeXML->appendChild($schemeXML = $dom->createElement('scheme'));
            $schemeXML->appendChild(new \DOMText($scheme));
        }

public function __construct($path, $regex) {
    parent::__construct(new \FilesystemIterator($path), $regex);
  }

  /** * Implements \RegexIterator::accept(). */
  #[\ReturnTypeWillChange]   public function accept() {
    /** @var \SplFileInfo $file_info */
    $file_info = $this->getInnerIterator()->current();
    return $file_info->isFile() && preg_match($this->getRegex(), $file_info->getFilename());
  }

}